Rhodium(II) (S)-(N-p(tertbutyl)phenylsulfonyl)prolinate catalyzed decomposition of vinyldiazomethanes in the presence of dienes results in a tandem cyclopropanation/Cope rearrangement, leading to a general and enantioselective approach for the construction of seven-membered carbocycles.
在二烯存在下,
铑(II)(S)-(Np(叔丁基)苯基磺酰基)脯
氨酸
铑催化的
乙烯基重氮甲烷分解导致串联
环丙烷化/ Cope重排,从而导致构建七元碳环的通用且对映选择性的方法。